Search for all of "Construction w", all of "Black Canyon ariz And Nev"

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Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood. View of the flooded Colorado River in Black Canyon during construction on Hoover Dam. The portals of diversion tunnels nos. 3 and 4 are seen in the canyon wall and bridges and catwalks cross the river. Some buildings...
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Dragline loading gravel An electric dragline is seen loading gravel into a railway dump car in a gravel pit. Some workers stand beside the equipment. Mountains are seen in the background.
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Construction of the highway which will cross the top of the dam View of construction on the highways which will cross the top of the dam in Black Canyon. A rubble stone masonry retaining wall is in place.
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Looking downstream on the Colorado River running through Black Canyon prior to construction of Hoover... A man sitting on a rock ledge views the Colorado River running downstream through Black Canyon prior to the construction of Hoover Dam. Bridges and catwalks are suspened over the river and dirt roads can been seen on both...
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Blasting in the walls of Black Canyon for intake tower construction View of rock blasting in Black Canyon in preparation for construction of the Hoover Dam intake towers.
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High scalers preparing anchorages in Black Canyon Three high scalers prepare rope anchorages for future scaling work one thousand feet above the Colorado River in Black Canyon.
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Future Hoover Dam reservoir area seen from Black Canyon View from Black Canyon of the area which, when submerged, will become the Hoover Dam reservoir. In the foreground, a car is seen traveling a dirt road, and a lone construction worker views the scene from atop the rocks....
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Dragline loading gravel into railroad side dump cars View of an electric dragline loading railway side dump cars in the gravel pit in Black Canyon. Mikado type locomotives pull 10-car trains, 3 trains of this type [were] in operation.
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Man standing on trestle bridge on the Colorado River pointing at anchoring cables A man stands on the trestle bridge near the gravel pit and points at the cables attached to the upstream face of the bridge used to anchor the bridge in case of high water. Three-inch cables [were] anchored to...
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High scalers on the Nevada side of Black Canyon High scalers work on the canyon wall on the Nevada side of Black Canyon, excavating for construction of an intake tower. Bridges can be seen in the distance crossing the Colorado River.
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High scalers on the Nevada side of Black Canyon above the Colorado River Close-up of high scalers working on the Nevada side of Black Canyon, 700 feet above the Colorado River. Two bridges are seen crossing the river below.
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Close-up of construction workers rigging a cableway over the Colorado River Two construction workers are seen rigging a "skip," or platform, to a cableway above the Colorado River in Black Canyon. The skip will be used to cross the river above the canyon.
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Construction workers on cableway transport over the Colorado River Construction workers are seen being transported over the Colorado River in Black Canyon via a "skip," or platform, attached to overhead cableways.
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Panoramic view of the Upper Cofferdam, looking downstream Panoramic view of construction in the upper cofferdam of Hoover Dam in Black Canyon. A dragline is seen in the middle of the canyon floor. Several trucks, construction equipment and construction workers are also seen in the canyon.
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Concrete pouring forms in the Hoover Dam construction site in Black Canyon Aerial view of the Hoover Dam construction site in Black Canyon showing multiple concrete pouring forms in front of a cofferdam. Draglines and trucks can be seen on the canyon floor, and overhead cableways carry cargo across the site.
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Concrete pouring forms below a cofferdam in the Hoover Dam construction site Construction workers are seen working on the concrete pouring forms below a cofferdam in the Hoover Dam construction site. Concrete begins to set in the forms. A dragline can be seen in the distance and lines for high scalers are...
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Water flowing into Colorado River, June 16, 1933 The Colorado River flows out of the diversion tunnels in the Hoover Dam construction site in Black Canyon. Bridges are seen crossing the river and the canyon.
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Aerial view of concrete pouring in the Hoover Dam construction site Aerial view of the Hoover Dam construction site in Black Canyon showing multiple concrete pouring forms. Various trucks and vehicles are seen on the canyon floor and a temporary railway bench is seen on the cliff wall on the left...
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Concrete pouring forms in the Hoover Dam construction site View of multiple concrete pouring forms in the Hoover Dam construction site in Black Canyon. A concrete pouring bucket is suspended over the site by a cableway. A temporary railway bench is seen in the canyon wall in...
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Nevada Spillway, looking upstream. View of the Nevada spillway, nearing completion, looking upstream from the Colorado River in Black Canyon. Concrete pouring forms and construction equipment are visible on the spillway walls and floor. Power lines are seen running overhead, and Black...
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Construction of the bases of the Arizona intake towers View of construction on the bases of the Arizona intake towers in the Hoover Dam construction site in Black Canyon.
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Arizona intake tower derrick. View of construction on the Arizona intake towers, looking upstream on the Colorado River in Black Canyon. A derrick anchored in the intake tower base is seen above the canyon. A temporary bridge is also seen spanning the...
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Construction on the Nevada intake towers View of initial construction of the Nevada intake towers in the Hoover Dam construction site in Black Canyon. Temporary stairs are seen attached to the canyon wall, and a railroad bench is seen near the bottom of the canyon wall.
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Construction on the upstream face of Hoover Dam View of construction on the upstream face of Hoover Dam in Black Canyon. Scaffolding, concrete pouring forms and other construction equipment are seen around the site. Temporary buildings and trucks are seen in the foreground.
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View taken looking upstream on the Colorado River of the Hoover Dam construction site Aerial view taken looking upstream on the Colorado River in Black Canyon of the Hoover Dam construction site. Multiple concrete pouring forms and other construction equipment are seen on the dam face. Temporary buildings and a temporary bridge...
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Aerial view of Hoover Dam construction site looking upstream on the Colorado River Aerial view of Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Concrete pouring forms are seen around the dam wall in the center of the picture. Buildings, vehicles and roads are seen in the river...
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Construction of the Arizona power house foundations View of construction of the foundations of the Arizona power house in the Colorado River bed in Black Canyon. Concrete pouring forms stand in the river bed and other construction equipment can be seen. Construction workers can be seen at...
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Construction on the foundation of the Arizona power house View of construction on the foundations of the Arizona power house in the Colorado River bed in Black Canyon. Concrete pouring forms stand in the river bed below the partially finished face of Hoover Dam, and other construction equipment can...
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Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. Concrete pouring forms and other construction equipment are seen on the partially finished dam face and in the river bed below it. Unfinished...
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Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. Concrete pouring forms and other construction equipment are seen on the partially finished dam face and in the river bed below it. The...
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Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. A cooling tower is seen in the foreground. The partially finished dam face is covered with concrete pouring forms and other construction equipment....
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Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face is covered with concrete pouring forms and other construction equipment. Unfinished penstock openings are seen in the canyon...
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Construction on the Nevada intake towers View from the Arizona side of the Hoover Dam construction site of work on the foundations of the Nevada intake towers in the wall of Black Canyon. A railroad bench for delivering concrete is seen near the bottom, in...
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Construction on the Arizona intake towers and spillway View of construction on the foundations of the Arizona intake towers and on the Arizona spillway in Black Canyon. The partially finished face of Hoover Dam is seen in the lower right.
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Construction on the Nevada power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the right, with concrete pouring forms and other construction equipment. Construction of the Nevada power...
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Construction on the Arizona power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the left, with concrete pouring forms and other construction equipment. Construction of the Arizona power...
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Construction on the power house footings View of the Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. The partially finished dam face is covered with concrete pouring forms and other construction equipment. Vehicles and temporary buildings are seen in the river...
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Aerial photo of Hoover Dam construction site This aerial photo shows various parts of the dam under construction. Cableways, an overhead tram, various buildings and structures, railroad tracks, trestles, and concrete forms are visible. Also shows the Arizona spillway, Arizona intake towers, the Himix plant...
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Aerial view of the Hoover Dam construction site looking upstream on the Colorado River Aerial view of the Hoover Dam construction site in Black Canyon. Construction on the intake towers is seen in the canyon walls behind the dam face and construction on the power houses is seen in the river bed in the...
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Aerial view of the Hoover Dam construction site looking downstream from the Arizona side Aerial view of the Hoover Dam construction site, looking downstream on the Colorado River in Black Canyon. Construction on the intake towers on both sides of the dam face is shown. The top of the dam face is covered with...
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Hoover Dam construction site viewed from the downstream cofferdam View of the Hoover Dam construction site in Black Canyon from the downstream cofferdam. Construction on one of the Nevada intake towers can be seen behind the concrete dam face. Framework and concrete pouring forms are seen on construction on...
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Construction on the Arizona power house View of construction on the Arizona power house. Framework and concrete pouring forms cover the powerhouse site. The dam face is seen in the background. Construction workers and equipment, vehicles and temporary buildings are seen in the downstream cofferdam.
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Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River Aerial view of the Hoover Dam construction site taken from downstream on the Colorado River in Black Canyon. Construction on the Nevada and Arizona power houses is shown in the foreground in the cofferdam. Concrete pouring forms cover the top...
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Construction on the Arizona spillway View of construction on the Arizona spillway in Black Canyon. An electric dragline can be seen at the top left of the dirt road above the spillway. Construction on one of the penstock tunnels can be seen inside the spillway.
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Construction on the Arizona spillway and the no. 4 penstock raise in Black Canyon View of construction on the Arizona spillway and the no. 4 penstock raise. Black Canyon surrounds the construction site. An electric dragline and trucks are seen on the dirt road above the spillway.
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Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam... Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam face, which has concrete pouring forms on the top of it, the Arizona and Nevada spillways, and the unfinished Arizona intake towers. The Colorado Rivers...
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Aerial view of the Hoover Dam construction site looking upstream on the Colorado River Aerial view of the Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Construction on the power houses in the lower cofferdam is seen in the foreground. The roof of a temporary building is seen in...
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Arizona Black Canyon highway consruction Shows consruction equipment used to build the highway through Black Canyon on the Arizona side of the dam. Railroad tracks can be seen alongside the new road with a dragline on the tracks. There are mountains in the...
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Panoramic view of Hoover Dam and area during construction Panoramic view of Black Canyon and Hoover Dam during construction. A man is standing on the mountain, looking toward the scene. Note the reservoir (Lake Mead) and Fortification Hill in the background. The portals of the diversion...
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Boulder Dam, Hoover Dam looking upstream from the Nevada side. Upstream view of the dam showing the downstream face with multiple catwalks across it. Foreground shows the lower cofferdam with the power houses under construction and a headquarters building. To the right are unfinished Arizona intake towers and...
 

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